function testUpdate()
{
//Arrange
$due_date = '2015-10-10';
$book_id = 1;
$id = 1;
$test_copy = new Copy($due_date, $book_id, $id);
$test_copy->save();
$new_due_date = '2015-11-11';
//Act
$test_copy->update($new_due_date);
//Assert
$this->assertEquals('2015-11-11', $test_copy->getDueDate());
}
function testUpdateDueDate()
{
//Arrange
$book_id = 1;
$due_date = "2015-12-12";
$test_copy = new Copy($book_id, $due_date);
$test_copy->save();
$new_due_date = "2012-21-21";
//Act
$test_copy->updateDueDate($new_due_date);
//Assert
$this->assertEquals($test_copy->getDueDate(), $new_due_date);
}
